body , .body ,.home ,.list-title ,.list-content{
    margin: 0 auto;
    padding: 0;
}
.body{
    width: 100%;
    height: 100%;
    background-color: #F5F5F5;
}

.logo{
    width: 80px;
    margin-top: 10px;
    margin-left: 50px;
}
.log-out img{
    width: 25px;
    margin-bottom: -6px;
}
.log-out:hover{
    cursor: pointer;
}
.login-img{
    width: 100%;
    height: 100px;
    background-color: #fff;
}
.home{
    width: 1600px;
}
.title{
    font-size: 25px;
    display: block;
}
.login-img span{
    display: -webkit-box;
    margin-top: -55px;
    margin-left: 230px;
}
.log-out{
    font-size: 15px;
    color: #333333;
    margin-left: 1000px;
    line-height: 35px;
}
.title-left{
    width: 200px;
    background-color: #fff;
    height: 700px;
    margin-top: 20px;
}
.menu {
    list-style: none;
    padding: 0;
}
.menu a {
    cursor: pointer;
    width: 100%;
    display: inline-block;
    text-align: left;
    margin-top: 20px;
    text-decoration: none;
    padding-bottom: 10px;
}
.menu a:hover{
    cursor: pointer;
}
.menu a span {
    font-size: 18px;
    color: #333333;
    border-bottom: 1px solid #757575;
    padding-bottom: 5px;
    margin-left: 40px;
}
.menu{
    display: inline-block;
}
.option-content{
    display: inline-flex;
}
.correspond-content{
    margin-top: 20px;
    margin-left: 30px;
    width: 1360px;
    height: 780px;
    background-color: #fff;
    margin-bottom: 55px;
}

.name{
    height: 25px;
    outline: none;
    width: 130px;
}
.hint-null{
    font-size: 12px;
    position: absolute;
    margin-top: -50px;
    color: #f04645;
}

html{
    overflow-x:hidden;
}
.saying{
    width: 100%;
    text-align: center;
    margin-top: -35px;
}
.saying span{
    font-size: 14px;
    color: #333333;
}
